Sunflower species of the United States
By: by Charlie E. Rogers, Tommy E. Thompson, and Gerald J. Seiler.
Contributors: Thompson, Tommy E., 1944-; Seiler, Gerald J., 1949-
Publisher: National Sunflower Association
Published: 1982
Place of publication: Bismarck, ND
Language: eng
Number of pages: 75
Subjects: Helianthus.; Sunflowers -- United States.; Botany -- United States.
Notes: Bibliography: p. 73.
Includes indexes.